Encyclopedias contain factual articles on many subjects.
There are two types of encyclopedias -- general and subject. General encyclopedias provide overviews on a wide variety of topics. Subject encyclopedias contain entries focusing on one field of study.
Use an Encyclopedia:
- when looking for background information on a topic
- when trying to find key ideas, important dates or concepts
- Encyclopedia of Philosophy (subject encyclopedia)
- Encyclopedia Britannica (general encyclopedia)